What is negative 68 times negative 32?




68 times 32 is 2176, but what is the answer if both 68 and 32 are negative numbers? Here we will determine if the answer to negative 68 times negative 32 is positive 2176 or negative 2176.

There are many different ways to explain and determine if the answer to negative 68 times negative 32 is -2176 or +2176 using mathematical terms such as additive inverse and mathematical laws like the Distribute Law.

We will take a different approach - process of elimination: We will simply test if -2176 is the correct answer using basic algebra.

We will test if -2176 is correct by setting up the equation negative 68 times negative 32 equals negative 2176, and then simplifying the equation to see if it is true.

(-68) (-32) = (-2176)

Divide both sides of the equation by (-32) :

   
(-68) (-32)
 
   
(-32)
 =
   
(-2176)
 
   
(-32)

The numerator and denominator on the left side both have (-32) which even each other out and can be removed:

  (-68) =
   
(-2176)
 
   
(-32)

The numerator and denominator on the right side both have a minus sign (-) which even each other out and can be removed:

  (-68) =
   
(2176)
 
   
(32)

A numerator of 2176 and denominator of 32 on the right side is the same as 2176 divided by 32 which is 68. Now we end up with this untrue equation:

(-68) = (68)

-68 is NOT equal to 68, thus we have proven that negative 68 times negative 32 is not equal to -2176. The answer must therefore be 2176:

-68 x -32 = 2176


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 68 times negative 32 will always have a positive answer.

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What is negative 68 times negative 33?
Here is the next problem on our list that we have explained and calculated.


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